ABC204 - Atcoder/Python精進のための解説メモ

x, y = map(int, input().split())
if x == y:
    print(x)
elif x + y == 1:
    print(2)
elif x + y == 2:
    print(1)
else:
    print(0)

n = int(input())
aaa = list(map(int, input().split()))
ans = 0
for a in aaa:
    a -= 10
    if 0 < a:
        ans += a
print(ans)

from collections import deque

def bfs(s):
    q = deque()
    q.append(s)
    visit = [0] * (n + 1)
    visit[s] = 1
    while q:
        i = q.popleft()
        for j in g[i]:
            if not visit[j]:
                q.append(j)
                visit[j] = 1
    return sum(visit)

n, m = map(int, input().split())
g = [[] for _ in range(n + 1)]
for _ in range(m):
    a, b = map(int, input().split())
    g[a].append(b)

ans = 0
for i in range(1, n + 1):
    ans += bfs(i)
print(ans)

まだ解いていません